DATA SEGMENT
	BUF  DB 'HELLO WORLD!  THIS IS MY FIRST ASM FILE! $'
DATA ENDS  

CODE SEGMENT
	      ASSUME CS:CODE,DS:DATA
	START:
	      MOV    AX,DATA
	      MOV    DS,AX

	      LEA    DX,BUF

	      MOV    AH,09H
	      INT    21H

	      MOV    AH,4CH
	      INT    21H

CODE ENDS  
END START  